:root {
    --primary: #43acf2;
    --black: #111111;
    --dark: #1C1C1C;
    --mid: #2B2B2B;
    --light: #F5F5F5;
    --white: #ffffff;
    --shadow: 0 14px 34px rgba(17,17,17,.10);
    --radius: 20px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    color: var(--black);
    background: #fafafa;
    line-height: 1.65;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
header, .site-header {
    background: linear-gradient(135deg, #ffffff 0%, #eff8ff 100%);
    border-bottom: 1px solid rgba(17,17,17,.08);
    position: sticky;
    top: 0;
    z-index: 50;
}
.header-inner {
    min-height: 72px;
    display: grid;
    grid-template-columns: 48px 1fr 48px;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    max-width: 1180px;
    margin: 0 auto;
}
.logo { justify-self: center; display: inline-flex; align-items: center; }
.logo img { width: 118px; max-height: 48px; object-fit: contain; }
.main-nav, .header-actions { display: none; }
.mobile-menu-toggle {
    width: 42px;
    height: 42px;
    border: 0;
    border-radius: 14px;
    background: var(--primary);
    color: #fff;
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
    box-shadow: var(--shadow);
}
nav a { font-weight: 700; }
.mobile-nav {
    display: none;
    gap: 10px;
    padding: 12px 18px 16px;
    background: #ffffff;
    border-top: 1px solid rgba(17,17,17,.08);
    z-index: 60;
}
.mobile-nav.is-open { display: grid; }
.mobile-nav a {
    padding: 12px 14px;
    border-radius: 16px;
    background: var(--light);
}
.mobile-actions {
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 0 18px 14px;
    background: linear-gradient(135deg, #ffffff 0%, #eff8ff 100%);
}
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 12px 22px;
    border-radius: 999px;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), #157cc4);
    font-weight: 800;
    border: 0;
    box-shadow: 0 10px 24px rgba(67,172,242,.28);
}
.btn-small { min-height: 40px; padding: 9px 18px; font-size: 14px; }
.btn-soft { background: linear-gradient(135deg, #1C1C1C, #2B2B2B); }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
section { padding: 48px 0; }
.hero, .banner {
    background: radial-gradient(circle at top left, rgba(67,172,242,.28), transparent 34%), linear-gradient(135deg, #101820, #1C1C1C 64%, #123c58);
    color: #fff;
    padding: 54px 0;
}
.hero-wrap { display: grid; gap: 28px; align-items: center; }
.hero h1 { font-size: clamp(32px, 8vw, 58px); line-height: 1.08; margin: 0 0 18px; }
.hero p { color: rgba(255,255,255,.88); margin: 0 0 20px; }
.hero-card {
    background: rgba(255,255,255,.08);
    border: 1px solid rgba(255,255,255,.16);
    padding: 22px;
    border-radius: 26px;
    box-shadow: var(--shadow);
}
.tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.tag {
    background: rgba(67,172,242,.18);
    border: 1px solid rgba(255,255,255,.22);
    color: #fff;
    padding: 8px 12px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 700;
}
.kicker { color: var(--primary); font-weight: 900; letter-spacing: .06em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.22; }
h2 { font-size: clamp(26px, 5vw, 38px); margin: 0 0 16px; }
.grid { display: grid; gap: 18px; }
.card {
    background: #fff;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(17,17,17,.06);
}
.card h3 { margin-top: 0; }
.notice {
    background: #fff7e8;
    border-left: 6px solid var(--primary);
    border-radius: 18px;
    padding: 18px 20px;
    box-shadow: var(--shadow);
}
.faq { display: grid; gap: 14px; }
.faq-item { background: #fff; border-radius: 18px; padding: 18px; box-shadow: var(--shadow); }
.faq-item h3 { margin: 0 0 8px; }
.cta-box {
    background: linear-gradient(135deg, rgba(67,172,242,.14), #fff);
    border-radius: 24px;
    padding: 26px;
    border: 1px solid rgba(67,172,242,.24);
}
.page-hero { background: var(--dark); color: #fff; padding: 44px 0; }
.breadcrumbs { display: flex; gap: 8px; flex-wrap: wrap; color: rgba(255,255,255,.78); }
.footer {
    background: linear-gradient(135deg, #0e1720, #102c40);
    color: rgba(255,255,255,.86);
    padding: 42px 0;
}
.footer-grid { display: grid; gap: 24px; }
.footer a { display: block; color: #fff; margin: 7px 0; }
.footer-logo { width: 120px; margin-bottom: 12px; }
.steps { counter-reset: step; display: grid; gap: 16px; }
.step { position: relative; padding-left: 58px; }
.step::before { counter-increment: step; content: counter(step); position: absolute; left: 0; top: 0; width: 40px; height: 40px; border-radius: 50%; background: var(--primary); color: #fff; display: grid; place-items: center; font-weight: 900; }
.inline-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 16px; }
.inline-links a { color: var(--primary); font-weight: 800; }
@media (min-width: 768px) {
    .header-inner { grid-template-columns: auto 1fr auto; min-height: 82px; padding: 12px 28px; }
    .mobile-menu-toggle, .mobile-actions { display: none; }
    .logo { justify-self: start; }
    .logo img { width: 140px; }
    .main-nav { display: flex; justify-content: center; gap: 28px; align-items: center; }
    .main-nav a { padding: 10px 0; }
    .header-actions { display: flex; gap: 10px; }
    .mobile-nav, .mobile-nav.is-open { display: none; }
    .hero-wrap { grid-template-columns: 1.05fr .95fr; }
    .grid-2 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .footer-grid { grid-template-columns: 1.4fr .8fr 1.2fr; }
}
@media (min-width: 1024px) {
    .header-inner { padding-left: 34px; padding-right: 34px; }
    section { padding: 64px 0; }
    .hero { padding: 76px 0; }
    .main-nav { gap: 34px; }
}